28466424 has 128 divisors (see below), whose sum is σ = 92044800. Its totient is φ = 7983360.

The previous prime is 28466407. The next prime is 28466437. The reversal of 28466424 is 42466482.

It is a happy number.

28466424 is a `hidden beast` number, since 2 + 8 + 4 + 6 + 642 + 4 = 666.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 101164 + ... + 101444.

It is an arithmetic number, because the mean of its divisors is an integer number (719100).

Almost surely, 2^28466424 is an apocalyptic number.

28466424 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 28466424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (46022400).

28466424 is an abundant number, since it is smaller than the sum of its proper divisors (63578376).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

28466424 is a wasteful number, since it uses less digits than its factorization.

28466424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 370 (or 360 counting only the distinct ones).

The product of its digits is 73728, while the sum is 36.

The square root of 28466424 is about 5335.3935187575. The cubic root of 28466424 is about 305.3357370740.

The spelling of 28466424 in words is "twenty-eight million, four hundred sixty-six thousand, four hundred twenty-four".